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/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTREEWIDGETITEMITERATOR_H
#define QTREEWIDGETITEMITERATOR_H
#include <QtCore/qglobal.h>
#include <QtCore/qscopedpointer.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
#ifndef QT_NO_TREEWIDGET
class QTreeWidget;
class QTreeWidgetItem;
class QTreeModel;
class QTreeWidgetItemIteratorPrivate;
class Q_GUI_EXPORT QTreeWidgetItemIterator
{
friend class QTreeModel;
public:
enum IteratorFlag {
All = 0x00000000,
Hidden = 0x00000001,
NotHidden = 0x00000002,
Selected = 0x00000004,
Unselected = 0x00000008,
Selectable = 0x00000010,
NotSelectable = 0x00000020,
DragEnabled = 0x00000040,
DragDisabled = 0x00000080,
DropEnabled = 0x00000100,
DropDisabled = 0x00000200,
HasChildren = 0x00000400,
NoChildren = 0x00000800,
Checked = 0x00001000,
NotChecked = 0x00002000,
Enabled = 0x00004000,
Disabled = 0x00008000,
Editable = 0x00010000,
NotEditable = 0x00020000,
UserFlag = 0x01000000 // The first flag that can be used by the user.
};
Q_DECLARE_FLAGS(IteratorFlags, IteratorFlag)
QTreeWidgetItemIterator(const QTreeWidgetItemIterator &it);
explicit QTreeWidgetItemIterator(QTreeWidget *widget, IteratorFlags flags = All);
explicit QTreeWidgetItemIterator(QTreeWidgetItem *item, IteratorFlags flags = All);
~QTreeWidgetItemIterator();
QTreeWidgetItemIterator &operator=(const QTreeWidgetItemIterator &it);
QTreeWidgetItemIterator &operator++();
inline const QTreeWidgetItemIterator operator++(int);
inline QTreeWidgetItemIterator &operator+=(int n);
QTreeWidgetItemIterator &operator--();
inline const QTreeWidgetItemIterator operator--(int);
inline QTreeWidgetItemIterator &operator-=(int n);
inline QTreeWidgetItem *operator*() const;
private:
bool matchesFlags(const QTreeWidgetItem *item) const;
QScopedPointer<QTreeWidgetItemIteratorPrivate> d_ptr;
QTreeWidgetItem *current;
IteratorFlags flags;
Q_DECLARE_PRIVATE(QTreeWidgetItemIterator)
};
inline const QTreeWidgetItemIterator QTreeWidgetItemIterator::operator++(int)
{
QTreeWidgetItemIterator it = *this;
++(*this);
return it;
}
inline const QTreeWidgetItemIterator QTreeWidgetItemIterator::operator--(int)
{
QTreeWidgetItemIterator it = *this;
--(*this);
return it;
}
inline QTreeWidgetItemIterator &QTreeWidgetItemIterator::operator+=(int n)
{
if (n < 0)
return (*this) -= (-n);
while (current && n--)
++(*this);
return *this;
}
inline QTreeWidgetItemIterator &QTreeWidgetItemIterator::operator-=(int n)
{
if (n < 0)
return (*this) += (-n);
while (current && n--)
--(*this);
return *this;
}
inline QTreeWidgetItem *QTreeWidgetItemIterator::operator*() const
{
return current;
}
Q_DECLARE_OPERATORS_FOR_FLAGS(QTreeWidgetItemIterator::IteratorFlags)
QT_END_NAMESPACE
#endif // QT_NO_TREEWIDGET
QT_END_HEADER
#endif // QTREEWIDGETITEMITERATOR_H
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